org.eclipse.emf.ecp.view.internal.context
Class ViewModelContextImpl

java.lang.Object
  org.eclipse.emf.ecp.view.internal.context.ViewModelContextImpl

All Implemented Interfaces:

ViewModelContext

Direct Known Subclasses:

DiffMergeModelContextImpl

public class ViewModelContextImpl
extends Object
implements ViewModelContext

The Class ViewModelContextImpl.

Author:

Eugen Neufeld

Constructor Summary

ViewModelContextImpl(VElement view, org.eclipse.emf.ecore.EObject domainObject)
Instantiates a new view model context impl.

ViewModelContextImpl(VElement view, org.eclipse.emf.ecore.EObject domainObject, ViewModelContext parent, VElement parentVElement)
Instantiates a new view model context impl.

ViewModelContextImpl(VElement view, org.eclipse.emf.ecore.EObject domainObject, ViewModelContext parent, VElement parentVElement, ViewModelService... modelServices)
Instantiates a new view model context impl.

ViewModelContextImpl(VElement view, org.eclipse.emf.ecore.EObject domainObject, ViewModelService... modelServices)
Instantiates a new view model context impl.

Method Summary

void	addContextUser(Object user) Inner method for registering context users (not ViewModelService).
void	dispose() Dispose.
ViewModelContext	getChildContext(org.eclipse.emf.ecore.EObject eObject, VElement parent, VView vView, ViewModelService... viewModelServices) This returns the childContext for the provided EObject and the provided VElement.
Object	getContextValue(String key) Returns the value of the context for the passed key.
Set<VControl>	getControlsFor(org.eclipse.emf.ecore.EStructuralFeature.Setting setting) Returns all controls which are associated with the provided EStructuralFeature.Setting.
Set<VElement>	getControlsFor(UniqueSetting setting) Returns all controls which are associated with the provided UniqueSetting.
org.eclipse.emf.ecore.EObject	getDomainModel() Gets the domain model.
<T> T	getService(Class<T> serviceType) Retrieve an ViewModelService of type serviceType.
VElement	getViewModel() Gets the view model.
<T> boolean	hasService(Class<T> serviceType) Whether the context has a service of the given type serviceType.
void	putContextValue(String key, Object value) Puts the value for the provided key into the context.
void	registerDisposeListener(ViewModelContextDisposeListener listener) Allows to register a dispose listener.
void	registerDomainChangeListener(ModelChangeListener modelChangeListener) Register domain change listener.
void	registerViewChangeListener(ModelChangeListener modelChangeListener) Register view change listener.
void	removeContextUser(Object user) Inner method for unregistering the context user.
void	unregisterDomainChangeListener(ModelChangeListener modelChangeListener) Unregister domain change listener.
void	unregisterViewChangeListener(ModelChangeListener modelChangeListener) Unregister view change listener.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ViewModelContextImpl

public ViewModelContextImpl(VElement view,
                            org.eclipse.emf.ecore.EObject domainObject)

Instantiates a new view model context impl.

Parameters:

view - the view

domainObject - the domain object

ViewModelContextImpl

public ViewModelContextImpl(VElement view,
                            org.eclipse.emf.ecore.EObject domainObject,
                            ViewModelContext parent,
                            VElement parentVElement)

Instantiates a new view model context impl.

Parameters:

view - the view

domainObject - the domain object

ViewModelContextImpl

public ViewModelContextImpl(VElement view,
                            org.eclipse.emf.ecore.EObject domainObject,
                            ViewModelService... modelServices)

Instantiates a new view model context impl.

Parameters:

view - the view

domainObject - the domain object

modelServices - an array of services to use in the ViewModelContext

ViewModelContextImpl

public ViewModelContextImpl(VElement view,
                            org.eclipse.emf.ecore.EObject domainObject,
                            ViewModelContext parent,
                            VElement parentVElement,
                            ViewModelService... modelServices)

Instantiates a new view model context impl.

Parameters:

view - the view

domainObject - the domain object

modelServices - an array of services to use in the ViewModelContext

Method Detail

getControlsFor

public Set<VControl> getControlsFor(org.eclipse.emf.ecore.EStructuralFeature.Setting setting)

Returns all controls which are associated with the provided EStructuralFeature.Setting. The EStructuralFeature.Setting is converted to a UniqueSetting.

Specified by:

getControlsFor in interface ViewModelContext

Parameters:

setting - the EStructuralFeature.Setting to search controls for

Returns:

the Set of all controls associated with the provided setting or null if no controls can be found

See Also:

ViewModelContext.getControlsFor(org.eclipse.emf.ecore.EStructuralFeature.Setting)

getControlsFor

public Set<VElement> getControlsFor(UniqueSetting setting)

Returns all controls which are associated with the provided UniqueSetting.

Specified by:

getControlsFor in interface ViewModelContext

Parameters:

setting - the UniqueSetting to search controls for

Returns:

the Set of all controls associated with the provided setting or null if no controls can be found

See Also:

ViewModelContext.getControlsFor(org.eclipse.emf.ecp.common.spi.UniqueSetting)

getViewModel

public VElement getViewModel()

Gets the view model.

Specified by:

getViewModel in interface ViewModelContext

Returns:

the view model

See Also:

ViewModelContext.getViewModel()

getDomainModel

public org.eclipse.emf.ecore.EObject getDomainModel()

Gets the domain model.

Specified by:

getDomainModel in interface ViewModelContext

Returns:

the domain model

See Also:

ViewModelContext.getDomainModel()

dispose

public void dispose()

Dispose.

Specified by:

dispose in interface ViewModelContext

registerViewChangeListener

public void registerViewChangeListener(ModelChangeListener modelChangeListener)

Description copied from interface: ViewModelContext

Register view change listener.

Specified by:

registerViewChangeListener in interface ViewModelContext

Parameters:

modelChangeListener - the model change listener

unregisterViewChangeListener

public void unregisterViewChangeListener(ModelChangeListener modelChangeListener)

Description copied from interface: ViewModelContext

Unregister view change listener.

Specified by:

unregisterViewChangeListener in interface ViewModelContext

Parameters:

modelChangeListener - the model change listener

registerDomainChangeListener

public void registerDomainChangeListener(ModelChangeListener modelChangeListener)

Description copied from interface: ViewModelContext

Register domain change listener.

Specified by:

registerDomainChangeListener in interface ViewModelContext

Parameters:

modelChangeListener - the model change listener

unregisterDomainChangeListener

public void unregisterDomainChangeListener(ModelChangeListener modelChangeListener)

Description copied from interface: ViewModelContext

Unregister domain change listener.

Specified by:

unregisterDomainChangeListener in interface ViewModelContext

Parameters:

modelChangeListener - the model change listener

hasService

public <T> boolean hasService(Class<T> serviceType)

Whether the context has a service of the given type serviceType.

Specified by:

hasService in interface ViewModelContext

Type Parameters:

T - the type of the desired service

Parameters:

serviceType - the type of the service

Returns:

true, if the context has a service of the given type, false otherwise

See Also:

ViewModelContext.hasService(java.lang.Class)

getService

public <T> T getService(Class<T> serviceType)

Retrieve an ViewModelService of type serviceType.

Specified by:

getService in interface ViewModelContext

Type Parameters:

T - the type of the desired service

Parameters:

serviceType - the type of the service to be retrieved

Returns:

the service

See Also:

ViewModelContext.getService(java.lang.Class)

addContextUser

public void addContextUser(Object user)

Inner method for registering context users (not ViewModelService).

Specified by:

addContextUser in interface ViewModelContext

Parameters:

user - the user of the context

removeContextUser

public void removeContextUser(Object user)

Inner method for unregistering the context user.

Specified by:

removeContextUser in interface ViewModelContext

Parameters:

user - the user of the context

getContextValue

public Object getContextValue(String key)

Returns the value of the context for the passed key.

Specified by:

getContextValue in interface ViewModelContext

Parameters:

key - the key of the value to get

Returns:

the Object for the provided key

See Also:

ViewModelContext.getContextValue(java.lang.String)

putContextValue

public void putContextValue(String key,
                            Object value)

Puts the value for the provided key into the context.

Specified by:

putContextValue in interface ViewModelContext

Parameters:

key - the key to set

value - the Object to set into the context

See Also:

ViewModelContext.putContextValue(java.lang.String, java.lang.Object)

getChildContext

public ViewModelContext getChildContext(org.eclipse.emf.ecore.EObject eObject,
                                        VElement parent,
                                        VView vView,
                                        ViewModelService... viewModelServices)

Description copied from interface: ViewModelContext

This returns the childContext for the provided EObject and the provided VElement. If a child context already exists it will be returned otherwise a new ViewModelContext will be created.

Specified by:

getChildContext in interface ViewModelContext

Parameters:

eObject - The EObject to get the child context for

parent - The VElement which requests the child context

vView - The VView of the EObject

viewModelServices - The list of ViewModelService which should be part of a child context

Returns:

a ViewModelContext witch is a child of the current context

registerDisposeListener

public void registerDisposeListener(ViewModelContextDisposeListener listener)

Allows to register a dispose listener.

Specified by:

registerDisposeListener in interface ViewModelContext

Parameters:

listener - The ViewModelContextDisposeListener to register

See Also:

ViewModelContext.registerDisposeListener(org.eclipse.emf.ecp.view.spi.context.ViewModelContextDisposeListener)